Engine & Exhaust

Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re answering questions about timing for small block Chevy engines. W.H . • Temple, […]

In the automotive plumbing world, there a few different ways to measure thread size on fittings and hoses. The most popular thread measurements are AN and NPT. What’s the difference […]

Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re taming an old race engine for street use. Q: I plan to install the […]

Learn how your carburetor’s power circuit affects your vehicle’s acceleration, as well as how the power valve works and how to find the perfect tune, by watching this 16-minute video. […]

We reached out to the guys in Summit Racing’s renowned tech department—the largest full-time staff in the industry—to identify and answer the five common tech questions they hear on a […]

Watch this Summit Racing Quick Flicks video and learn the basics of cutting braided hose lines and adding AN fittings to the ends. Tools You Will Need: Braided Stainless Steel […]

An improperly adjusted electric choke on a Holley four-barrel carburetor can keep your engine from idling properly during cold starts. Starting a cold engine requires a richer air/fuel mixture as […]

Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re exploring possible causes for leak downs in Quadrajet carburetors. S.O. • Round O, […]

Prevent engine sputtering by learning how to properly tune your Holley-style four-barrel carburetor’s accelerator pump. Watch this 7-minute video and learn everything you’ll need to know to achieve smooth, consistent […]

Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re looking at ways to make 400 horsepower from a Chevy 350 engine—and whether […]